import { CSSResultGroup } from 'lit';
import { BaseButton } from '../button/base-button.ts';
export type IconButtonVariant = "filled" | "standard" | "outlined" | "tonal";
/**
 * @tag md-icon-button
 * @summary Material Button web component
 */
export default class IconButton extends BaseButton {
    /**
     * The variant style of the button.
     */
    private _variant;
    get variant(): IconButtonVariant;
    set variant(variant: IconButtonVariant);
    selected: boolean;
    toggle: boolean;
    /**
     * The icon associated with the button.
     */
    selectedIcon: Node | null;
    static get styles(): CSSResultGroup;
    firstUpdated(changes: any): void;
    private get classes();
    private renderIcon;
    private renderButtonOrLink;
    render(): import('lit').TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "md-icon-button": IconButton;
    }
}